Synopsys, Inc.
US ˙ NasdaqGS ˙ US8716071076

SecuritySNPS / Synopsys, Inc.
InstitutionPinnacle Associates Ltd
Latest Disclosed Ownership1,055 shares
Latest Disclosed Value $ 418,355
Pinnacle Associates Ltd reports 86.07% increase in ownership of SNPS / Synopsys, Inc.

On April 21, 2026 - Pinnacle Associates Ltd filed a 13F-HR form disclosing ownership of 1,055 shares of Synopsys, Inc. (US:SNPS) valued at $418,286 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 567 shares of Synopsys, Inc.. This represents a change in shares of 86.07% during the quarter. The current value of the position is $525,411 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-21 2026-03-31 13F SYNOPSYS COM 871607107 1,055 488 86.07 418 57.14 0.0054
2026-02-05 2025-12-31 13F SYNOPSYS COM 871607107 567 -61 -9.71 266 -13.92 0.0034
2025-11-13 2025-09-30 13F SYNOPSYS COM 871607107 628 63 11.15 310 6.92 0.0041
2025-08-04 2025-06-30 13F SYNOPSYS COM 871607107 565 69 13.91 290 36.32 0.0042
2025-05-06 2025-03-31 13F SYNOPSYS COM 871607107 496 -21 -4.06 213 -15.20 0.0031
2025-02-14 2024-12-31 13F SYNOPSYS COM 871607107 517 -5 -0.96 251 -6.72 0.0034
2024-10-25 2024-09-30 13F SYNOPSYS COM 871607107 522 -13 -2.43 269 -15.72 0.0046
2024-07-30 2024-06-30 13F SYNOPSYS COM 871607107 535 6 1.13 318 5.30 0.0050
2024-04-26 2024-03-31 13F SYNOPSYS COM 871607107 529 7 1.34 302 12.69 0.0048
2024-01-19 2023-12-31 13F SYNOPSYS COM 871607107 522 -1 -0.19 269 12.13 0.0045
2023-10-24 2023-09-30 13F SYNOPSYS COM 871607107 523 6 1.16 240 6.22 0.0045
2023-07-27 2023-06-30 13F SYNOPSYS COM 871607107 517 517 225 0.0039
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.